EP0959640A3 - Optischer Schalter und optisches Netzwerk - Google Patents

Optischer Schalter und optisches Netzwerk Download PDF

Info

Publication number
EP0959640A3
EP0959640A3 EP99401170A EP99401170A EP0959640A3 EP 0959640 A3 EP0959640 A3 EP 0959640A3 EP 99401170 A EP99401170 A EP 99401170A EP 99401170 A EP99401170 A EP 99401170A EP 0959640 A3 EP0959640 A3 EP 0959640A3
Authority
EP
European Patent Office
Prior art keywords
optical
light signal
input light
optical switch
switch
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP99401170A
Other languages
English (en)
French (fr)
Other versions
EP0959640A2 (de
EP0959640B1 (de
Inventor
Hirofumi Shimomura
Naoya Henmi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NEC Corp
Original Assignee
NEC Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by NEC Corp filed Critical NEC Corp
Publication of EP0959640A2 publication Critical patent/EP0959640A2/de
Publication of EP0959640A3 publication Critical patent/EP0959640A3/de
Application granted granted Critical
Publication of EP0959640B1 publication Critical patent/EP0959640B1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0204—Broadcast and select arrangements, e.g. with an optical splitter at the input before adding or dropping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0205—Select and combine arrangements, e.g. with an optical combiner at the output after adding or dropping
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0206—Express channels arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H04J14/0241—Wavelength allocation for communications one-to-one, e.g. unicasting wavelengths
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0201—Add-and-drop multiplexing
    • H04J14/0202—Arrangements therefor
    • H04J14/0213—Groups of channels or wave bands arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0227—Operation, administration, maintenance or provisioning [OAMP] of WDM networks, e.g. media access, routing or wavelength allocation
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J14/00—Optical multiplex systems
    • H04J14/02—Wavelength-division multiplex systems
    • H04J14/0278—WDM optical network architectures
    • H04J14/0283—WDM ring architectures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0013—Construction using gating amplifiers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0015—Construction using splitting combining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/0001—Selecting arrangements for multiplex systems using optical switching
    • H04Q11/0005—Switch and router aspects
    • H04Q2011/0007—Construction
    • H04Q2011/0016—Construction using wavelength multiplexing or demultiplexing

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
  • Lasers (AREA)
EP99401170.8A 1998-05-18 1999-05-12 Optischer Schalter und optisches Netzwerk Expired - Lifetime EP0959640B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP13496098 1998-05-18
JP10134960A JP3102410B2 (ja) 1998-05-18 1998-05-18 光スイッチ

Publications (3)

Publication Number Publication Date
EP0959640A2 EP0959640A2 (de) 1999-11-24
EP0959640A3 true EP0959640A3 (de) 2007-06-20
EP0959640B1 EP0959640B1 (de) 2013-07-10

Family

ID=15140614

Family Applications (1)

Application Number Title Priority Date Filing Date
EP99401170.8A Expired - Lifetime EP0959640B1 (de) 1998-05-18 1999-05-12 Optischer Schalter und optisches Netzwerk

Country Status (4)

Country Link
US (1) US6809846B2 (de)
EP (1) EP0959640B1 (de)
JP (1) JP3102410B2 (de)
CN (2) CN1149415C (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110061407B (zh) * 2018-01-18 2020-08-07 武汉奥新科技有限公司 一种增益范围可调的掺铒光纤放大器光路

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4651231B2 (ja) * 2001-07-26 2011-03-16 富士通株式会社 光伝送システム
JP4725843B2 (ja) * 2005-08-25 2011-07-13 横河電機株式会社 光パケットネットワークシステム
JP5614327B2 (ja) * 2011-02-24 2014-10-29 日本電気株式会社 光増幅器制御装置
CN121012573A (zh) * 2024-05-23 2025-11-25 云智能资产控股（新加坡）私人股份有限公司 一种光传输放大方法、光放大器、计算机程序产品及存储介质

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier
EP0617527A1 (de) * 1993-03-23 1994-09-28 Nortel Networks Corporation Übertragungssysteme mit optischen Verstärkern
EP0641051A1 (de) * 1993-08-31 1995-03-01 AT&T Corp. Optischer Verstärker
EP0647000A1 (de) * 1993-09-30 1995-04-05 AT&T Corp. Zweistufiger, rauscharmer optischer Hochleistungsverstärker mit hoher Verstärkung

Family Cites Families (25)

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Publication number Priority date Publication date Assignee Title
JP2714692B2 (ja) 1989-06-05 1998-02-16 日本電信電話株式会社 波長多重信号光分離切替装置
JPH0349277A (ja) 1989-07-17 1991-03-04 Nippon Telegr & Teleph Corp <Ntt> 光ファイバ信号経路構成方法
IT1247845B (it) 1991-03-29 1995-01-02 Pirelli Cavi Spa Linea di telecomunicazione a fibre ottiche con dispositivo di protezione per amplificatori ottici
JPH04319830A (ja) 1991-04-19 1992-11-10 Nec Corp 光バイパス方式
JP2870235B2 (ja) 1991-06-24 1999-03-17 日本電気株式会社 光ファイバ増幅装置
GB9217706D0 (en) 1992-08-20 1992-09-30 Bt & D Technologies Ltd Multistage fibre amplifier
JP2906858B2 (ja) 1992-09-17 1999-06-21 日本電気株式会社 光ファイバ増幅器
JPH06284092A (ja) 1993-03-26 1994-10-07 Nippon Telegr & Teleph Corp <Ntt> 光増幅中継伝送システム
JP3342093B2 (ja) 1993-04-23 2002-11-05 キヤノン株式会社 ネットワークシステム
US5764821A (en) 1994-02-06 1998-06-09 Lucent Technologies Inc. Large capacity local access network
JPH0832554A (ja) 1994-07-13 1996-02-02 Nippon Telegr & Teleph Corp <Ntt> 多チャネル光ｗｄｍ受信器
JPH0865267A (ja) 1994-08-22 1996-03-08 Nippon Telegr & Teleph Corp <Ntt> 光ｗｄｍ情報分配網
JP3442897B2 (ja) 1995-03-08 2003-09-02 Ｋｄｄｉ株式会社 範囲別利得制御光増幅器及び範囲別光増幅器利得制御方法及び光受信器及び光中継器
JP3587580B2 (ja) 1995-03-17 2004-11-10 富士通株式会社 光増幅中継器の入力モニタシステム
EP0734105B1 (de) 1995-03-20 2004-09-29 Fujitsu Limited Faseroptischer Verstärker und dispersionskompensierendes Fasermodul für faseroptischen Verstärker
JPH08278523A (ja) 1995-04-05 1996-10-22 Hitachi Ltd 光増幅装置
JPH08288574A (ja) 1995-04-17 1996-11-01 Sumitomo Electric Ind Ltd 光ファイバ増幅器
JP2908290B2 (ja) 1995-07-21 1999-06-21 日本電気株式会社 光分岐挿入回路
JP2877062B2 (ja) 1996-01-19 1999-03-31 日本電気株式会社 光信号異常検出回路
JP3298396B2 (ja) 1996-02-06 2002-07-02 日本電信電話株式会社 光増幅器
JP3730299B2 (ja) 1996-02-07 2005-12-21 富士通株式会社 光等化増幅器および光等化増幅方法
JP3709615B2 (ja) 1996-07-26 2005-10-26 住友電気工業株式会社 光導波路型回折格子および光ファイバ増幅器
US6008932A (en) 1996-10-07 1999-12-28 Lucent Technologies Inc. Erbium-doped fiber amplifier with automatic gain control
JP3771010B2 (ja) 1997-08-06 2006-04-26 富士通株式会社 光増幅のための方法及び該方法を実施するためのシステム
JPH11121848A (ja) 1997-10-16 1999-04-30 Fujitsu Ltd 光増幅器及び該光増幅器を備えた光伝送システム

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5050949A (en) * 1990-06-22 1991-09-24 At&T Bell Laboratories Multi-stage optical fiber amplifier
EP0617527A1 (de) * 1993-03-23 1994-09-28 Nortel Networks Corporation Übertragungssysteme mit optischen Verstärkern
EP0641051A1 (de) * 1993-08-31 1995-03-01 AT&T Corp. Optischer Verstärker
EP0647000A1 (de) * 1993-09-30 1995-04-05 AT&T Corp. Zweistufiger, rauscharmer optischer Hochleistungsverstärker mit hoher Verstärkung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
MICHAEL S BORELLA ET AL: "Optical Components for WDM Lightwave Networks", PROCEEDINGS OF THE IEEE, IEEE. NEW YORK, US, vol. 85, no. 8, August 1997 (1997-08-01), XP011043873, ISSN: 0018-9219 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110061407B (zh) * 2018-01-18 2020-08-07 武汉奥新科技有限公司 一种增益范围可调的掺铒光纤放大器光路

Also Published As

Publication number Publication date
EP0959640A2 (de) 1999-11-24
CN1495453A (zh) 2004-05-12
US6809846B2 (en) 2004-10-26
CN1149415C (zh) 2004-05-12
JP3102410B2 (ja) 2000-10-23
EP0959640B1 (de) 2013-07-10
JPH11330594A (ja) 1999-11-30
US20040114933A1 (en) 2004-06-17
CN1236897A (zh) 1999-12-01

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